User manual LG UT48 NDC

[. . . ] Topic Heating performances Recommendation The heat pump function of the air conditioner absorbs heat from outside air and brings it indoors. As the temperature of the outside air drops, the heating performance of air conditioner will decrease. If you find that the room is not warm enough, using an additional heating appliance is recommended. When outside temperature is low but humidity is high, frost may form on the outdoor unit at HEAT mode. [. . . ] he defrost mode will be triggered automatically for about T 10 minutes. he steam produced on the outdoor unit in the defrost mode is T safe. No intervention is required ; after about 10 minutes, the air conditioner operates again normally. If both indoor and outdoor temperatures are high and the air conditioner is running at HEAT mode, the outdoor unit's fan and compressor may stop at times. This is normal ; simply wait until the air conditioner switches on again. If a power failure occurs while the air conditioner is operating, the unit will be switched off. When the power returns, the air conditioner starts up again automatically. Frost & Defrost High indoor and outdoor temperatures Power failure E-10 Temperature and Humidity Ranges The following table indicates the temperature and humidity ranges, within which the air conditioner can be used. The automatic protection feature may be triggered and the air conditioner stopped. Water leakage or some other malfunction may happen if the heat exchanger freezes. Water may condense on and drip from the surface of the indoor unit if it is used for a long period. Low temperature High humidity levels Mode Heating Cooling Drying Outdoor Temperature 5°F to 75°F approx. It takes about 3 minutes to cool or heat the room. Check if the refrigerant pipe is too long. In AUTO or DRY mode, the fan speed is selected automatically. Check if the remote controller sensor is blocked. Check if the air conditioner is placed near strong light. Check if is displayed on the wired remote controller. Turn off the air conditioner and switch off the circuit breaker. Check if you pressed the button after selecting time. The temperature is not adjusted. The cool(warm) air does not come out from the air conditioner. The fan speed is not adjusted. The remote controller does not operate. The wired remote controller does not operate. The Timer is not set. The air conditioner does not turn on Check if you set the wired remote controller for group control. [. . . ] The remote controller does not operate. The wired remote controller does not operate. The Timer is not set. The air conditioner does not turn on Check if you set the wired remote controller for group control. or off with the wired remote controller. Odor is permeated in the room during operation. Strange sound is heard from the air conditioner. [. . . ]